| Moon Township Public Library |
| Mt. Lebanon Public Library |
| North Versailles Public Library |
| Northern Tier Regional Library |
| Northland Public Library |
| Oakmont Carnegie Library |
| Penn Hills Library |
| Pine Center – Northern Tier Regional Library |
| Pleasant Hills Public Library |
| Plum Borough Community Library |
| Robinson Township Library |
| Scott Township Public Library |
| Sewickley Public Library |
| Shaler North Hills Library |
| Sharpsburg Community Library |
| South Fayette Township Library |
| South Park Township Library |
| Springdale Free Public Library |
| Turtle Creek Library |
| Upper St. Clair Township Library |
| Western Allegheny Community Library |
| Whitehall Public Library |
| White Oak Library |
| Wilkinsburg Public Library |
